diff --git a/package.json b/package.json
index b0f8537..537e315 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "hash-sum": "^1.0.2",
     "lru-cache": "^4.1.2",
     "merge-source-map": "^1.1.0",
-    "postcss": "^7.0.14",
+    "postcss": "^8.2.15",
     "postcss-selector-parser": "^6.0.2",
     "source-map": "~0.6.1",
     "vue-template-es2015-compiler": "^1.9.0"